void DrawSceneTools()
        {
            var framingTransposer = Target;

            if (framingTransposer == null || !framingTransposer.IsValid)
            {
                return;
            }

            if (CinemachineSceneToolUtility.IsToolActive(typeof(TrackedObjectOffsetTool)))
            {
                CinemachineSceneToolHelpers.TrackedObjectOffsetTool(framingTransposer,
                                                                    new SerializedObject(framingTransposer).FindProperty(() => framingTransposer.m_TrackedObjectOffset));
            }
            else if (CinemachineSceneToolUtility.IsToolActive(typeof(FollowOffsetTool)))
            {
                var originalColor = Handles.color;
                var camPos        = framingTransposer.VcamState.RawPosition;
                var targetForward = framingTransposer.VirtualCamera.State.FinalOrientation * Vector3.forward;
                EditorGUI.BeginChangeCheck();
                Handles.color = CinemachineSceneToolHelpers.HelperLineDefaultColor;
                var cdHandleId        = GUIUtility.GetControlID(FocusType.Passive);
                var newHandlePosition = Handles.Slider(cdHandleId, camPos, targetForward,
                                                       CinemachineSceneToolHelpers.CubeHandleCapSize(camPos), Handles.CubeHandleCap, 0.5f);
                if (EditorGUI.EndChangeCheck())
                {
                    // Modify via SerializedProperty for OnValidate to get called automatically, and scene repainting too
                    var so   = new SerializedObject(framingTransposer);
                    var prop = so.FindProperty(() => framingTransposer.m_CameraDistance);
                    prop.floatValue -= CinemachineSceneToolHelpers.SliderHandleDelta(newHandlePosition, camPos, targetForward);
                    so.ApplyModifiedProperties();
                }

                var cameraDistanceHandleIsDragged       = GUIUtility.hotControl == cdHandleId;
                var cameraDistanceHandleIsUsedOrHovered = cameraDistanceHandleIsDragged ||
                                                          HandleUtility.nearestControl == cdHandleId;
                if (cameraDistanceHandleIsUsedOrHovered)
                {
                    CinemachineSceneToolHelpers.DrawLabel(camPos,
                                                          "Camera Distance (" + framingTransposer.m_CameraDistance.ToString("F1") + ")");
                }

                Handles.color = cameraDistanceHandleIsUsedOrHovered ?
                                Handles.selectedColor : CinemachineSceneToolHelpers.HelperLineDefaultColor;
                Handles.DrawLine(camPos,
                                 framingTransposer.FollowTarget.position + framingTransposer.m_TrackedObjectOffset);

                CinemachineSceneToolHelpers.SoloOnDrag(cameraDistanceHandleIsDragged, framingTransposer.VirtualCamera,
                                                       cdHandleId);

                Handles.color = originalColor;
            }
        }
Exemple #2
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        void DrawSceneTools()
        {
            var composer = Target;

            if (composer == null || !composer.IsValid)
            {
                return;
            }

            if (CinemachineSceneToolUtility.IsToolActive(typeof(TrackedObjectOffsetTool)))
            {
                CinemachineSceneToolHelpers.TrackedObjectOffsetTool(composer,
                                                                    new SerializedObject(composer).FindProperty(() => composer.m_TrackedObjectOffset));
            }
        }